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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 // Implements the Chrome Extensions WebNavigation API. | |
6 | |
7 #include "chrome/browser/extensions/extension_webnavigation_api.h" | |
8 | |
9 #include "base/json/json_writer.h" | |
10 #include "base/time.h" | |
11 #include "base/values.h" | |
12 #include "chrome/browser/extensions/extension_message_service.h" | |
13 #include "chrome/browser/extensions/extension_tabs_module.h" | |
14 #include "chrome/browser/extensions/extension_webnavigation_api_constants.h" | |
15 #include "chrome/browser/profile.h" | |
16 #include "chrome/browser/tab_contents/navigation_entry.h" | |
17 #include "chrome/common/notification_type.h" | |
18 #include "chrome/common/notification_service.h" | |
19 | |
20 namespace keys = extension_webnavigation_api_constants; | |
21 | |
22 // static | |
23 ExtensionWebNavigationEventRouter* | |
24 ExtensionWebNavigationEventRouter::GetInstance() { | |
25 return Singleton<ExtensionWebNavigationEventRouter>::get(); | |
26 } | |
27 | |
28 void ExtensionWebNavigationEventRouter::Init() { | |
29 if (registrar_.IsEmpty()) { | |
30 registrar_.Add(this, | |
31 NotificationType::NAV_ENTRY_COMMITTED, | |
32 NotificationService::AllSources()); | |
33 } | |
34 } | |
35 | |
36 void ExtensionWebNavigationEventRouter::Observe( | |
37 NotificationType type, | |
38 const NotificationSource& source, | |
39 const NotificationDetails& details) { | |
40 switch (type.value) { | |
41 case NotificationType::NAV_ENTRY_COMMITTED: | |
42 NavEntryCommitted( | |
43 Source<NavigationController>(source).ptr(), | |
44 Details<NavigationController::LoadCommittedDetails>(details).ptr()); | |
45 break; | |
46 | |
47 default: | |
48 NOTREACHED(); | |
49 } | |
50 } | |
51 | |
52 void ExtensionWebNavigationEventRouter::NavEntryCommitted( | |
53 NavigationController* controller, | |
54 NavigationController::LoadCommittedDetails* details) { | |
55 ListValue args; | |
56 DictionaryValue* dict = new DictionaryValue(); | |
57 dict->SetInteger(keys::kTabIdKey, | |
58 ExtensionTabUtil::GetTabId(controller->tab_contents())); | |
59 dict->SetString(keys::kUrlKey, | |
60 details->entry->url().spec()); | |
61 dict->SetInteger(keys::kFrameIdKey, | |
62 details->is_main_frame ? 0 : details->entry->page_id()); | |
63 dict->SetString(keys::kTransitionTypeKey, | |
64 PageTransition::CoreTransitionString( | |
65 details->entry->transition_type())); | |
66 dict->SetString(keys::kTransitionQualifiersKey, | |
67 PageTransition::QualifierString( | |
68 details->entry->transition_type())); | |
69 dict->SetReal(keys::kTimeStampKey, base::Time::Now().ToDoubleT()); | |
70 args.Append(dict); | |
71 | |
72 std::string json_args; | |
73 base::JSONWriter::Write(&args, false, &json_args); | |
74 DispatchEvent(controller->profile(), keys::kOnCommitted, json_args); | |
75 } | |
76 | |
77 void ExtensionWebNavigationEventRouter::DispatchEvent( | |
78 Profile* profile, | |
79 const char* event_name, | |
80 const std::string& json_args) { | |
81 if (profile && profile->GetExtensionMessageService()) { | |
82 profile->GetExtensionMessageService()->DispatchEventToRenderers( | |
83 event_name, json_args, profile, GURL()); | |
84 } | |
85 } | |
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